MP
Mary Pollock — 1930 US Census Record
Linked across censuses1930 United States Federal Census · Lake, Indiana
Our Model Tree links this Mary Pollock across the 1930 and 1940 US Censuses in Lake, Indiana (XGBoost, ~Confirmed) — first a spouse (b.~1898), then head of a 7-person household.
Age 32
b. ~1898
Female
Spouse
Born: Hungary
Married
1930 Census Record Details
| Census Year | 1930 |
| Location | Lake, Indiana |
| Surname | Pollock |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Hungary |
| Naturalization Status | Naturalized |
| Year of Immigration | 1900 |
| Age at First Marriage | 17 |
| Father's Birthplace | Hungary |
| Mother's Birthplace | Hungary |
| Additional Details | |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | Hungarian |
| Birth Country | Hungary |
| Birthplace (normalized) | hungary |
| Township / Ward | Gary City |
| Est. Birth Year | ~1898 |
Household Members
Census records only state relationship to the household head.
Pairwise kinship is derived (~90–95% accurate), not recorded.
Step/blended families and boarders can break it.
7 people recorded at the same address in the 1930 census.
| Name | Relation to head | Relative to Mary | Age | Birth yr |
|---|---|---|---|---|
| Mike Pollock | Son | — | 7 | ~1923 |
| George Pollock | Head | — | 33 | ~1897 |
| Helen Pollock | Daughter | — | 8 | ~1922 |
| Mary Pollock | Spouse | — | 32 | ~1898 |
| Rose Pollock | Daughter | — | 9 | ~1921 |
| Margaret Pollock | Daughter | — | 13 | ~1917 |
| Dorothy Pollock | Daughter | — | 12 | ~1918 |
Census Appearances
1930
Lake, Indiana
Spouse, age 32
Lake, Indiana · implied b. ~1898 — 7 household members
| Surname | Pollock |
| Given Name | Mary |
| Relationship to Head | Wife |
| Sex | F |
| Color / Race | White |
| Age | 32 |
| Marital Status | Married |
| Birthplace | Hungary |
| Naturalization Status | Naturalized |
| Year of Immigration | 1900 |
| Age at First Marriage | 17 |
| Father's Birthplace | Hungary |
| Mother's Birthplace | Hungary |
| Occupation | none |
| Can Read/Write | Yes |
| Mother Tongue | Hungarian |
| Birth Country | Hungary |
| Birthplace (normalized) | hungary |
1940
Lake-County, Indiana
Spouse, age 42
Lake-County, Indiana · implied b. ~1898 — 7 household members
●
Primary link
· ~Confirmed · 2 sources
XGBoost
Household
| Surname | Pollack |
| Given Name | Mary |
| Relationship to Head | wife |
| Sex | F |
| Color / Race | White |
| Age | 42 |
| Marital Status | Married |
| Birthplace | Hungary |
| 1935 Residence (City) | Gary |
| 1935 Residence (County) | Lake |
| Naturalization Status | Naturalized |
| Class of Worker | 0 |
| Highest Grade | 6 |
| 1935 Residence | Same place |
| Birth Country | Hungary |
| Birthplace (normalized) | hungary |
Model Tree
An inferred pedigree reconstructed from census links — up to 4 generations within the 1900–1950 window. Closer generations are built from household co-residence; deeper ones are bridged by following a relative to their own childhood census. Confidence compounds and weakens with each generation.
Our Model Tree links Mary Pollock across 2 US Census years (1930 and 1940) in 2 locations, using XGBoost record linkage.
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This person
Anchor record
Mary Pollock
Spouse · 1930 · age 32 · b. ~1898 · Indiana
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Confirmed / household (~0.90+)
Probable / derived (~0.65–0.89)
Candidate (<0.65, unverified)
Original Census Page
1930 US Federal Census — Lake, Indiana
Open full size
1930 US Federal Census — Lake, Indiana
Page Contents
50 people indexed on this census page (ia:1930:indianacensus00reel598:0977)
| Line | Name | Age | Relation | Occupation | Birthplace |
|---|---|---|---|---|---|
| 51 | Son Alturo | 8 | Son | None | Iowa |
| 52 | Rosa Alturo | 5 | Daughter | None | Nebraska |
| 53 | John Romanyah | 23 | Head | Laborer | Illinois |
| 54 | George Romanyah | 21 | Brother | Laborer | Indiana |
| 55 | Peter Romanyah | 20 | Brother | Laborer | Indiana |
| 56 | Anna Romanyah | 17 | Sister | None | Indiana |
| 57 | Gus Keaptzos | 35 | Head | Shearman | Greece |
| 58 | Bessie Keaptzos | 32 | Wife | None | Greece |
| 59 | Spiro Keaptzos | 2 | Son | None | Indiana |
| 60 | John Pulos | 42 | Head | Laborer | Greece |
| 61 | Mary Pulos | 33 | Wife | None | Greece |
| 62 | Catherine Pulos | 11 | Daughter | None | Indiana |
| 63 | George Pulos | 9 | Son | None | Indiana |
| 64 | Helen Pulos | 6 | Daughter | None | Indiana |
| 65 | Angelina Pulos | 4 | Daughter | None | Indiana |
| 66 | Angel Belesquez | 24 | Head | Laborer | Mexico |
| 67 | Modesta Belesquez | 23 | Wife | None | Mexico |
| 68 | Angel Belesquez | 4 | Son | None | Mexico |
| 69 | Maria Belesquez | 1 | Son | None | Mexico |
| 70 | Manuel Vega | 25 | Head | Laborer | Mexico |
| 71 | Madalon Vega | 20 | Wife | None | Michigan |
| 72 | Manuel Jr. Vega | 0 | Son | None | Indiana |
| 73 | Joe Martinez | 29 | Roomer | Laborer | Mexico |
| 74 | Ione King | 58 | Head | Laundress | Kentucky |
| 75 | Dorothy Ione | 40 | Roomer | General Work | Iowa |
| 76 | Richard Scott | 32 | Head | Truck Driver | Kansas |
| 77 | Lucile Scott | 30 | Wife | None | Oklahoma |
| 78 | Leroy Scott | 16 | Son | None | Oklahoma |
| 79 | Violet Scott | 11 | Daughter | None | Kansas |
| 80 | Adolph White | 17 | Adopted Son | Laborer | Missouri |
| 81 | Luis Quevedo | 32 | Head | Laborer | Mexico |
| 82 | Ester Quevedo | 23 | Wife | None | Mexico |
| 83 | Agustin Andrade | 24 | Roomer | Laborer | Mexico |
| 84 | Jesus Guerrero | 35 | Roomer | Laborer | Mexico |
| 85 | Eulalio Guerrero | 27 | Roomer | Laborer | Mexico |
| 86 | Pablo Andrade | 29 | Roomer | Laborer | Mexico |
| 87 | Leobardo Santillan | 26 | Roomer | Laborer | Mexico |
| 88 | Abel Montana | 28 | Roomer | Laborer | Mexico |
| 89 | Anctu Ande | 8 | Roomer | None | Mexico |
| 90 | Louis Ande | 3 | Roomer | None | Mexico |
| 91 | William Rogers | 31 | Head | Truck Driver | Illinois |
| 92 | Anna Rogers | 24 | Wife | None | Tennessee |
| 93 | Amanda Barbie | 40 | Roomer | Servant | Kentucky |
| 94 | George B. Pollock | 33 | Head | Fireman | Pennsylvania |
| 95 | Mary Pollock THIS PERSON | 32 | Wife | None | Hungary |
| 96 | Margaret Pollock | 13 | Daughter | None | Indiana |
| 97 | Dorothy Pollock | 12 | Daughter | None | Indiana |
| 98 | Rose Irene Pollock | 9 | Daughter | None | Indiana |
| 99 | Helen Pollock | 8 | Daughter | None | Indiana |
| 100 | Mike Pollock | 7 | Son | None | Indiana |
About This Record & Model Tree
This record was independently indexed by YourRoots from the 1930 United States Federal Census (NARA). Our Model Tree links this person across census decades using XGBoost-based record linkage, with per-link confidence scores. Household corroboration strengthens the signal when co-residents appear on the same census pages in multiple years.
Source: National Archives and Records Administration (NARA)